Results for 5.56x45mm NATO Upper Receivers/Conv Kits

FightLite Industries Mission Configurable Rifle Complete Upper 5.56 16.25 Threaded Barrel

Radical Firearms Complete Upper Assembly .223 Rem/5.56 16 Barrel MLOK

Luth-AR AR-15 .223 Complete Upper Assembly 24 Barrel

Battle Arms Development Authority Elite Complete Upper 5.56 16 Barrel M-Lok Handguard

Luth-AR AR-15 Lightweight Upper Receiver 5.56 NATO 16 Barrel

CMMG Bravo Rimfire AR-15 Conversion Kit with 3 10-Round Magazines 22 LR Stainless Steel

Geissele USASOC URG-I Near Clone AR-15 Complete Upper Receiver 5.56x45mm NATO 14.5" Pinned Barrel

Daniel Defense DDM4v7 AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

Daniel Defense AR-15 M4A1 FSP Block II Complete Upper Receiver 5.56x45mm 14.5" Pinned Surefire SF3P Flash Hider

Daniel Defense M4A1 Block II AR-15 Complete Upper Recevier 5.56x45mm NATO 14.5" Pinned Barrel

LBE Upper with Forward Assist and Dust Cover

Wilson Combat Upper Receiver

Yankee Hill Machine Stripped AR-15 A3 Upper Receiver Aluminum Black

Daniel Defense DDM4v7 Lightweight AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 16" Cold Hammer Forged Barrel M-LOK Black

FightLite Industries MCR556DFRM Dual Feed Complete Upper Receiver 5.56x45mm 16.25" Barrel M-LOK Handguard

Noveske AR-15 Chainsaw Complete Upper Receiver 5.56x45mm NATO 16" Barrel NSR-15 M-LOK Handguard Black

Spikes Tactical ST-15 Enhanced Mid-Length Complete Upper 5.56 / .223 Rem 16-inch CHF

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 16" Cold Hammer Forged Barrel M-LOK DDC

FightLite Industries MCR Mission Configurable Rifle Complete Upper 5.56 16.25 Threaded Barrel w/ 100 M27 Links

FightLite Industries Mission Configurable Rifle Upper 5.56 16.25 Barrel

Spike s Tactical 16-inch AR-15 Complete Upper 5.56 NATO M4 LE with 9-inch Rail

Luth-AR A2 Stripped Upper Receiver 5.56 / .223 Rem

Luth-AR AR-15 A1 Upper Receiver Assembled